Security ToolsFree
HMAC Generator
Generate HMAC (Hash-based Message Authentication Code) using SHA-256. Used to verify message integrity and authenticity. Enter your message and secret key.
Frequently Asked Questions
What is HMAC used for?▼
Verifying that a message was not tampered with and was sent by someone who knows the secret key.
Which algorithm is used?▼
HMAC-SHA256 using the Web Crypto API.